Tobacco – Smoke separator or treater – By chemical reaction – e.g. – ion-exchange – chelating,...
Reexamination Certificate
2011-08-16
2011-08-16
Crispino, Richard (Department: 1747)
Tobacco
Smoke separator or treater
By chemical reaction, e.g., ion-exchange, chelating,...
C131S352000, C131S331000, C502S200000, C502S431000
Reexamination Certificate
active
07997281
ABSTRACT:
Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters capable of catalyzing and/or oxidizing carbon monoxide to carbon dioxide and/or adsorbing carbon monoxide and catalyzing and/or reducing nitric oxide to nitrogen and/or adsorbing nitric oxide. Cut filler compositions, cigarette paper and cigarette filter material can comprise nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters.
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Rasouli Firooz
Reddy Budda V.
Buchanan & Ingersoll & Rooney PC
Crispino Richard
Felton Michael J
Philip Morris USA Inc.
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